cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sw.c (12247B)


      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright(c) 2009-2012  Realtek Corporation.*/
      3
      4#include "../wifi.h"
      5#include "../core.h"
      6#include "../pci.h"
      7#include "../base.h"
      8#include "reg.h"
      9#include "def.h"
     10#include "phy.h"
     11#include "dm.h"
     12#include "hw.h"
     13#include "sw.h"
     14#include "trx.h"
     15#include "led.h"
     16
     17#include <linux/module.h>
     18
     19static void rtl92d_init_aspm_vars(struct ieee80211_hw *hw)
     20{
     21	struct rtl_priv *rtlpriv = rtl_priv(hw);
     22	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
     23
     24	/*close ASPM for AMD defaultly */
     25	rtlpci->const_amdpci_aspm = 0;
     26
     27	/*
     28	 * ASPM PS mode.
     29	 * 0 - Disable ASPM,
     30	 * 1 - Enable ASPM without Clock Req,
     31	 * 2 - Enable ASPM with Clock Req,
     32	 * 3 - Alwyas Enable ASPM with Clock Req,
     33	 * 4 - Always Enable ASPM without Clock Req.
     34	 * set defult to RTL8192CE:3 RTL8192E:2
     35	 * */
     36	rtlpci->const_pci_aspm = 3;
     37
     38	/*Setting for PCI-E device */
     39	rtlpci->const_devicepci_aspm_setting = 0x03;
     40
     41	/*Setting for PCI-E bridge */
     42	rtlpci->const_hostpci_aspm_setting = 0x02;
     43
     44	/*
     45	 * In Hw/Sw Radio Off situation.
     46	 * 0 - Default,
     47	 * 1 - From ASPM setting without low Mac Pwr,
     48	 * 2 - From ASPM setting with low Mac Pwr,
     49	 * 3 - Bus D3
     50	 * set default to RTL8192CE:0 RTL8192SE:2
     51	 */
     52	rtlpci->const_hwsw_rfoff_d3 = 0;
     53
     54	/*
     55	 * This setting works for those device with
     56	 * backdoor ASPM setting such as EPHY setting.
     57	 * 0 - Not support ASPM,
     58	 * 1 - Support ASPM,
     59	 * 2 - According to chipset.
     60	 */
     61	rtlpci->const_support_pciaspm = rtlpriv->cfg->mod_params->aspm_support;
     62}
     63
     64static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
     65{
     66	int err;
     67	u8 tid;
     68	struct rtl_priv *rtlpriv = rtl_priv(hw);
     69	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
     70	char *fw_name = "rtlwifi/rtl8192defw.bin";
     71
     72	rtlpriv->dm.dm_initialgain_enable = true;
     73	rtlpriv->dm.dm_flag = 0;
     74	rtlpriv->dm.disable_framebursting = false;
     75	rtlpriv->dm.thermalvalue = 0;
     76	rtlpriv->dm.useramask = true;
     77
     78	/* dual mac */
     79	if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G)
     80		rtlpriv->phy.current_channel = 36;
     81	else
     82		rtlpriv->phy.current_channel = 1;
     83
     84	if (rtlpriv->rtlhal.macphymode != SINGLEMAC_SINGLEPHY) {
     85		rtlpriv->rtlhal.disable_amsdu_8k = true;
     86		/* No long RX - reduce fragmentation */
     87		rtlpci->rxbuffersize = 4096;
     88	}
     89
     90	rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
     91
     92	rtlpci->receive_config = (
     93			RCR_APPFCS
     94			| RCR_AMF
     95			| RCR_ADF
     96			| RCR_APP_MIC
     97			| RCR_APP_ICV
     98			| RCR_AICV
     99			| RCR_ACRC32
    100			| RCR_AB
    101			| RCR_AM
    102			| RCR_APM
    103			| RCR_APP_PHYST_RXFF
    104			| RCR_HTC_LOC_CTRL
    105	);
    106
    107	rtlpci->irq_mask[0] = (u32) (
    108			IMR_ROK
    109			| IMR_VODOK
    110			| IMR_VIDOK
    111			| IMR_BEDOK
    112			| IMR_BKDOK
    113			| IMR_MGNTDOK
    114			| IMR_HIGHDOK
    115			| IMR_BDOK
    116			| IMR_RDU
    117			| IMR_RXFOVW
    118	);
    119
    120	rtlpci->irq_mask[1] = (u32) (IMR_CPWM | IMR_C2HCMD);
    121
    122	/* for LPS & IPS */
    123	rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
    124	rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
    125	rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
    126	if (!rtlpriv->psc.inactiveps)
    127		pr_info("Power Save off (module option)\n");
    128	if (!rtlpriv->psc.fwctrl_lps)
    129		pr_info("FW Power Save off (module option)\n");
    130	rtlpriv->psc.reg_fwctrl_lps = 3;
    131	rtlpriv->psc.reg_max_lps_awakeintvl = 5;
    132	/* for ASPM, you can close aspm through
    133	 * set const_support_pciaspm = 0 */
    134	rtl92d_init_aspm_vars(hw);
    135
    136	if (rtlpriv->psc.reg_fwctrl_lps == 1)
    137		rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
    138	else if (rtlpriv->psc.reg_fwctrl_lps == 2)
    139		rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
    140	else if (rtlpriv->psc.reg_fwctrl_lps == 3)
    141		rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
    142
    143	/* for early mode */
    144	rtlpriv->rtlhal.earlymode_enable = false;
    145	for (tid = 0; tid < 8; tid++)
    146		skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
    147
    148	/* for firmware buf */
    149	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
    150	if (!rtlpriv->rtlhal.pfirmware) {
    151		pr_err("Can't alloc buffer for fw\n");
    152		return 1;
    153	}
    154
    155	rtlpriv->max_fw_size = 0x8000;
    156	pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
    157	pr_info("Loading firmware file %s\n", fw_name);
    158
    159	/* request fw */
    160	err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
    161				      rtlpriv->io.dev, GFP_KERNEL, hw,
    162				      rtl_fw_cb);
    163	if (err) {
    164		pr_err("Failed to request firmware!\n");
    165		vfree(rtlpriv->rtlhal.pfirmware);
    166		rtlpriv->rtlhal.pfirmware = NULL;
    167		return 1;
    168	}
    169
    170	return 0;
    171}
    172
    173static void rtl92d_deinit_sw_vars(struct ieee80211_hw *hw)
    174{
    175	struct rtl_priv *rtlpriv = rtl_priv(hw);
    176	u8 tid;
    177
    178	if (rtlpriv->rtlhal.pfirmware) {
    179		vfree(rtlpriv->rtlhal.pfirmware);
    180		rtlpriv->rtlhal.pfirmware = NULL;
    181	}
    182	for (tid = 0; tid < 8; tid++)
    183		skb_queue_purge(&rtlpriv->mac80211.skb_waitq[tid]);
    184}
    185
    186static struct rtl_hal_ops rtl8192de_hal_ops = {
    187	.init_sw_vars = rtl92d_init_sw_vars,
    188	.deinit_sw_vars = rtl92d_deinit_sw_vars,
    189	.read_eeprom_info = rtl92de_read_eeprom_info,
    190	.interrupt_recognized = rtl92de_interrupt_recognized,
    191	.hw_init = rtl92de_hw_init,
    192	.hw_disable = rtl92de_card_disable,
    193	.hw_suspend = rtl92de_suspend,
    194	.hw_resume = rtl92de_resume,
    195	.enable_interrupt = rtl92de_enable_interrupt,
    196	.disable_interrupt = rtl92de_disable_interrupt,
    197	.set_network_type = rtl92de_set_network_type,
    198	.set_chk_bssid = rtl92de_set_check_bssid,
    199	.set_qos = rtl92de_set_qos,
    200	.set_bcn_reg = rtl92de_set_beacon_related_registers,
    201	.set_bcn_intv = rtl92de_set_beacon_interval,
    202	.update_interrupt_mask = rtl92de_update_interrupt_mask,
    203	.get_hw_reg = rtl92de_get_hw_reg,
    204	.set_hw_reg = rtl92de_set_hw_reg,
    205	.update_rate_tbl = rtl92de_update_hal_rate_tbl,
    206	.fill_tx_desc = rtl92de_tx_fill_desc,
    207	.fill_tx_cmddesc = rtl92de_tx_fill_cmddesc,
    208	.query_rx_desc = rtl92de_rx_query_desc,
    209	.set_channel_access = rtl92de_update_channel_access_setting,
    210	.radio_onoff_checking = rtl92de_gpio_radio_on_off_checking,
    211	.set_bw_mode = rtl92d_phy_set_bw_mode,
    212	.switch_channel = rtl92d_phy_sw_chnl,
    213	.dm_watchdog = rtl92d_dm_watchdog,
    214	.scan_operation_backup = rtl_phy_scan_operation_backup,
    215	.set_rf_power_state = rtl92d_phy_set_rf_power_state,
    216	.led_control = rtl92de_led_control,
    217	.set_desc = rtl92de_set_desc,
    218	.get_desc = rtl92de_get_desc,
    219	.is_tx_desc_closed = rtl92de_is_tx_desc_closed,
    220	.tx_polling = rtl92de_tx_polling,
    221	.enable_hw_sec = rtl92de_enable_hw_security_config,
    222	.set_key = rtl92de_set_key,
    223	.init_sw_leds = rtl92de_init_sw_leds,
    224	.get_bbreg = rtl92d_phy_query_bb_reg,
    225	.set_bbreg = rtl92d_phy_set_bb_reg,
    226	.get_rfreg = rtl92d_phy_query_rf_reg,
    227	.set_rfreg = rtl92d_phy_set_rf_reg,
    228	.linked_set_reg = rtl92d_linked_set_reg,
    229	.get_btc_status = rtl_btc_status_false,
    230};
    231
    232static struct rtl_mod_params rtl92de_mod_params = {
    233	.sw_crypto = false,
    234	.inactiveps = true,
    235	.swctrl_lps = true,
    236	.fwctrl_lps = false,
    237	.aspm_support = 1,
    238	.debug_level = 0,
    239	.debug_mask = 0,
    240};
    241
    242static const struct rtl_hal_cfg rtl92de_hal_cfg = {
    243	.bar_id = 2,
    244	.write_readback = true,
    245	.name = "rtl8192de",
    246	.ops = &rtl8192de_hal_ops,
    247	.mod_params = &rtl92de_mod_params,
    248
    249	.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
    250	.maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
    251	.maps[SYS_CLK] = REG_SYS_CLKR,
    252	.maps[MAC_RCR_AM] = RCR_AM,
    253	.maps[MAC_RCR_AB] = RCR_AB,
    254	.maps[MAC_RCR_ACRC32] = RCR_ACRC32,
    255	.maps[MAC_RCR_ACF] = RCR_ACF,
    256	.maps[MAC_RCR_AAP] = RCR_AAP,
    257
    258	.maps[EFUSE_TEST] = REG_EFUSE_TEST,
    259	.maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
    260	.maps[EFUSE_CLK] = 0,	/* just for 92se */
    261	.maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
    262	.maps[EFUSE_PWC_EV12V] = PWC_EV12V,
    263	.maps[EFUSE_FEN_ELDR] = FEN_ELDR,
    264	.maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
    265	.maps[EFUSE_ANA8M] = 0,	/* just for 92se */
    266	.maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
    267	.maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
    268	.maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
    269
    270	.maps[RWCAM] = REG_CAMCMD,
    271	.maps[WCAMI] = REG_CAMWRITE,
    272	.maps[RCAMO] = REG_CAMREAD,
    273	.maps[CAMDBG] = REG_CAMDBG,
    274	.maps[SECR] = REG_SECCFG,
    275	.maps[SEC_CAM_NONE] = CAM_NONE,
    276	.maps[SEC_CAM_WEP40] = CAM_WEP40,
    277	.maps[SEC_CAM_TKIP] = CAM_TKIP,
    278	.maps[SEC_CAM_AES] = CAM_AES,
    279	.maps[SEC_CAM_WEP104] = CAM_WEP104,
    280
    281	.maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
    282	.maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
    283	.maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
    284	.maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
    285	.maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
    286	.maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
    287	.maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,
    288	.maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
    289	.maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
    290	.maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
    291	.maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
    292	.maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
    293	.maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
    294	.maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
    295	.maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,
    296	.maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,
    297
    298	.maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
    299	.maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
    300	.maps[RTL_IMR_BCNINT] = IMR_BCNINT,
    301	.maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
    302	.maps[RTL_IMR_RDU] = IMR_RDU,
    303	.maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
    304	.maps[RTL_IMR_BDOK] = IMR_BDOK,
    305	.maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
    306	.maps[RTL_IMR_TBDER] = IMR_TBDER,
    307	.maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
    308	.maps[RTL_IMR_TBDOK] = IMR_TBDOK,
    309	.maps[RTL_IMR_BKDOK] = IMR_BKDOK,
    310	.maps[RTL_IMR_BEDOK] = IMR_BEDOK,
    311	.maps[RTL_IMR_VIDOK] = IMR_VIDOK,
    312	.maps[RTL_IMR_VODOK] = IMR_VODOK,
    313	.maps[RTL_IMR_ROK] = IMR_ROK,
    314	.maps[RTL_IBSS_INT_MASKS] = (IMR_BCNINT | IMR_TBDOK | IMR_TBDER),
    315
    316	.maps[RTL_RC_CCK_RATE1M] = DESC_RATE1M,
    317	.maps[RTL_RC_CCK_RATE2M] = DESC_RATE2M,
    318	.maps[RTL_RC_CCK_RATE5_5M] = DESC_RATE5_5M,
    319	.maps[RTL_RC_CCK_RATE11M] = DESC_RATE11M,
    320	.maps[RTL_RC_OFDM_RATE6M] = DESC_RATE6M,
    321	.maps[RTL_RC_OFDM_RATE9M] = DESC_RATE9M,
    322	.maps[RTL_RC_OFDM_RATE12M] = DESC_RATE12M,
    323	.maps[RTL_RC_OFDM_RATE18M] = DESC_RATE18M,
    324	.maps[RTL_RC_OFDM_RATE24M] = DESC_RATE24M,
    325	.maps[RTL_RC_OFDM_RATE36M] = DESC_RATE36M,
    326	.maps[RTL_RC_OFDM_RATE48M] = DESC_RATE48M,
    327	.maps[RTL_RC_OFDM_RATE54M] = DESC_RATE54M,
    328
    329	.maps[RTL_RC_HT_RATEMCS7] = DESC_RATEMCS7,
    330	.maps[RTL_RC_HT_RATEMCS15] = DESC_RATEMCS15,
    331};
    332
    333static const struct pci_device_id rtl92de_pci_ids[] = {
    334	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8193, rtl92de_hal_cfg)},
    335	{RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x002B, rtl92de_hal_cfg)},
    336	{},
    337};
    338
    339MODULE_DEVICE_TABLE(pci, rtl92de_pci_ids);
    340
    341MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
    342MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
    343MODULE_AUTHOR("Larry Finger	<Larry.Finger@lwfinger.net>");
    344MODULE_LICENSE("GPL");
    345MODULE_DESCRIPTION("Realtek 8192DE 802.11n Dual Mac PCI wireless");
    346MODULE_FIRMWARE("rtlwifi/rtl8192defw.bin");
    347
    348module_param_named(swenc, rtl92de_mod_params.sw_crypto, bool, 0444);
    349module_param_named(debug_level, rtl92de_mod_params.debug_level, int, 0644);
    350module_param_named(ips, rtl92de_mod_params.inactiveps, bool, 0444);
    351module_param_named(swlps, rtl92de_mod_params.swctrl_lps, bool, 0444);
    352module_param_named(fwlps, rtl92de_mod_params.fwctrl_lps, bool, 0444);
    353module_param_named(aspm, rtl92de_mod_params.aspm_support, int, 0444);
    354module_param_named(debug_mask, rtl92de_mod_params.debug_mask, ullong, 0644);
    355MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
    356MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
    357MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 1)\n");
    358MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 0)\n");
    359MODULE_PARM_DESC(aspm, "Set to 1 to enable ASPM (default 1)\n");
    360MODULE_PARM_DESC(debug_level, "Set debug level (0-5) (default 0)");
    361MODULE_PARM_DESC(debug_mask, "Set debug mask (default 0)");
    362
    363static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
    364
    365static struct pci_driver rtl92de_driver = {
    366	.name = KBUILD_MODNAME,
    367	.id_table = rtl92de_pci_ids,
    368	.probe = rtl_pci_probe,
    369	.remove = rtl_pci_disconnect,
    370	.driver.pm = &rtlwifi_pm_ops,
    371};
    372
    373/* add global spin lock to solve the problem that
    374 * Dul mac register operation on the same time */
    375DEFINE_SPINLOCK(globalmutex_power);
    376DEFINE_SPINLOCK(globalmutex_for_fwdownload);
    377DEFINE_SPINLOCK(globalmutex_for_power_and_efuse);
    378
    379static int __init rtl92de_module_init(void)
    380{
    381	int ret = 0;
    382
    383	ret = pci_register_driver(&rtl92de_driver);
    384	if (ret)
    385		WARN_ONCE(true, "rtl8192de: No device found\n");
    386	return ret;
    387}
    388
    389static void __exit rtl92de_module_exit(void)
    390{
    391	pci_unregister_driver(&rtl92de_driver);
    392}
    393
    394module_init(rtl92de_module_init);
    395module_exit(rtl92de_module_exit);